Overview
The REF5050IDG4, produced by Texas Instruments, is part of the REF50xx family of low-noise, low-drift, very high precision voltage references. These devices are designed to provide stable and accurate voltage references, making them ideal for high-precision applications. The REF5050IDG4 is capable of both sinking and sourcing current and features excellent line and load regulation. It is available in an 8-pin SOIC package and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.0 | V |
| Initial Accuracy (High Grade) | ±0.05% | % |
| Initial Accuracy (Standard Grade) | ±0.1% | % |
| Temperature Drift (High Grade) | 3 ppm/°C | ppm/°C |
| Temperature Drift (Standard Grade) | 8 ppm/°C | ppm/°C |
| Noise (Low Frequency) | 3 µVPP/V | µVPP/V |
| Output Voltage Noise (10 Hz to 1 kHz) | 0.9 µVRMS/V | µVRMS/V |
| Line Regulation | 0.1 ppm/V | ppm/V |
| Load Regulation | 20 ppm/mA | ppm/mA |
| Output Current | ±10 mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | SOIC-8 |
Key Features
- Low temperature drift: High-grade (3 ppm/°C), Standard-grade (8 ppm/°C)
- High accuracy: High-grade (±0.05%), Standard-grade (±0.1%)
- Low noise: 3 µVPP/V (low frequency), 0.9 µVRMS/V (10 Hz to 1 kHz)
- Excellent long-term stability: 22 ppm after first 1000 hours (SOIC-8), 50 ppm after first 1000 hours (VSSOP-8)
- High-output current: ±10 mA
- Wide input voltage support: Up to 18 V for High/Standard-grade
- Excellent line and load regulation
Applications
- Precision data acquisition systems
- Semiconductor test equipment
- Industrial process controls
- Medical instrumentation
- Pressure and temperature transmitters
- Lab and field instrumentation
Q & A
- What is the output voltage of the REF5050IDG4?
The output voltage of the REF5050IDG4 is 5.0 V.
- What are the temperature drift specifications for the REF5050IDG4?
The temperature drift for the high-grade is 3 ppm/°C and for the standard-grade is 8 ppm/°C.
- What is the noise level of the REF5050IDG4?
The noise level is 3 µVPP/V in the low frequency range and 0.9 µVRMS/V from 10 Hz to 1 kHz.
- What is the operating temperature range of the REF5050IDG4?
The operating temperature range is -40°C to 125°C.
- What are the package options for the REF5050IDG4?
The REF5050IDG4 is available in an 8-pin SOIC package.
- What are the key applications of the REF5050IDG4?
Key applications include precision data acquisition systems, semiconductor test equipment, industrial process controls, medical instrumentation, pressure and temperature transmitters, and lab and field instrumentation.
- What is the maximum output current of the REF5050IDG4?
The maximum output current is ±10 mA.
- How does the REF5050IDG4 perform in terms of long-term stability?
The REF5050IDG4 exhibits excellent long-term stability with 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
- What is the line regulation of the REF5050IDG4?
The line regulation is 0.1 ppm/V.
- Is the REF5050IDG4 still in production?
No, the REF5050IDG4 is obsolete and no longer manufactured.
